# The Gas (Testing of Apparatus and Equipment) Regulations 1990, Regulation 4: Presence of a relevant supplier’s representatives at tests


On any occasion on which a gas examiner tests the apparatus or equipment provided and maintained by a relevant supplier for the purpose of making determinations of actual calorific values of gas supplied by him, a representative of the relevant supplier may be present but he shall not interfere in any way with any test.

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Source: https://www.legislation.gov.uk/uksi/1990/1635/regulation/4 (the official version)
Page: https://openlegislation.uk/gas-testing-of-apparatus-and-equipment-regulations-1990/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.